STMicroelectronics · Discrete semiconductors
START499ETR
RF TRANS NPN 4.5V 1.9GHZ SOT343
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START499ETR specifications
Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.
| Manufacturer | STMicroelectronics |
|---|---|
| Ordering code | START499ETR |
| Family | Discrete semiconductors |
| Package | SC-82A, SOT-343 |
| Product Status | Obsolete |
| Transistor Type | NPN |
| Voltage - Collector Emitter Breakdown (Max) | 4.5V |
| Frequency - Transition | 1.9GHz |
| Noise Figure (dB Typ @ f) | 3.3dB @ 1.8GHz |
| Gain | 15dB |
| Power - Max | 600mW |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 160 @ 160mA, 4V |
| Current - Collector (Ic) (Max) | 600mA |
| Operating Temperature | 150°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | SC-82A, SOT-343 |
| Supplier Device Package | SOT-343 |
Documents and evidence
START499ETR ↗Catalog sources
www.ic-components.com · START499ETR ↗Source directory identity match; source detail pending. Specifications remain from existing catalog.
Before sourcing START499ETR
- Identify the firmware and board baseline
- Check flash, RAM and required peripherals
- Review pin assignment and supply limits
- Keep the full temperature and package suffix
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